You would need to monitor them over a range of conditions and decide for yourself what's best.
The construction of the enclosure and station itself will cause varying degrees of lag and one may be more accurate than the other at different times.
The specifications will indicator an expected accuracy which is unlikely to be much less than 1C
Precise temperature comparisons with other nearby are a minefield at best of times, we have all experienced noticeable changes just walking a few metres due to different exposure.